22201010197 has 2 divisors, whose sum is σ = 22201010198. Its totient is φ = 22201010196.

The previous prime is 22201010179. The next prime is 22201010201. The reversal of 22201010197 is 79101010222.

Together with previous prime (22201010179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21148721476 + 1052288721 = 145426^2 + 32439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22201010197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22201020197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100505098 + 11100505099.

It is an arithmetic number, because the mean of its divisors is an integer number (11100505099).

Almost surely, 2^22201010197 is an apocalyptic number.

It is an amenable number.

22201010197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201010197 is an equidigital number, since it uses as much as digits as its factorization.

22201010197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 22201010197 its sum of digits (25), we get a palindrome (22201010222).

The spelling of 22201010197 in words is "twenty-two billion, two hundred one million, ten thousand, one hundred ninety-seven".